- Abkhaz: аеҳәшьа (ajeḥʷša)
- Adyghe: шыпхъу (šəpχʷu)
- Afrikaans: suster (af)
- Ainu: (elder) サポ (sapo)
- Akkadian: 𒊩𒌆 (aḫātu)
- Albanian: motër (sq) f
- Amharic: እህት (am) (ʾəht), እኅት (ʾəḫt)
- Arabic: أُخْت (ar) f (ʔuḵt), شَقِيقَة f (šaqīqa)
- Egyptian Arabic: أخت f (ʔoḵt)
- Gulf Arabic: اِخْت f (iḵt)
- Hijazi Arabic: أخت f (ʔuḵt)
- North Levantine Arabic: إخت m (ʔiḵt)
- South Levantine Arabic: أخت m (ʔuḵt)
- Aramaic:
- Classical Syriac: ܚܬܐ f (ḥāṯā)
- Archi: дошдур (došdur)
- Armenian: քույր (hy) (kʻuyr)
- Old Armenian: քոյր (kʻoyr)
- Aromanian: sorã
- Ashkun: sos
- Assamese: বা (ba) (elder), বাই (bai) (elder), বাইদেউ (baideu) (elder, polite), ভনী (bhoni) (younger), ভণ্টী (bhonti) (younger, polite), বাই-ভনী (bai-bhoni)
- Asturian: hermana (ast) f
- Avar: яц (jac)
- Avestan: 𐬓𐬀𐬢𐬵𐬀𐬭 (xᵛaŋhar)
- Aymara: kullaka (ay)
- Azerbaijani: bacı (az)
- Baluchi: گہار (guhár), گوہار (gohár), وارک (wárk)
- Bashkir: апай (apay), һеңле (heñle), ҡәрендәш (qərendəş)
- Basque: arreba (eu) (of a male), ahizpa (eu) (of a female)
- Belarusian: сястра́ f (sjastrá)
- Bengali: বোন (bn) (bōn), আপা (bn) (apa), বুবু (bn) (bubu)
- Bhojpuri: बहिन (bahin)
- Breton: c'hoar (br) f
- Bulgarian: сестра́ (bg) f (sestrá)
- Burmese: အမ (my) (a.ma.) (elder); ညီမ (my) (nyima.) (younger)
- Buryat: эгэшэ (egeše), дүү басаган (düü basagan)
- Carpathian Rusyn: сестра́ f (sestrá)
- Catalan: germana (ca) f
- Cebuano: igsoong babae
- Cham:
- Central Atlas Tamazight: ⵓⵍⵜⵎⴰ (ultma)
- Eastern Cham: please add this translation if you can
- Western Cham: please add this translation if you can
- Chechen: йиша (jiša)
- Cherokee: (opposite sex of speaker) ᎤᏙ (udo), (same sex of speaker) ᎤᎸᎢ (ulvi)
- Chichewa: mchemwali
- Chinese:
- Cantonese: 姐姐 (ze2-4 ze2-1) (elder), 家姐 (gaa1 ze2-1) (elder), 妹妹 (mui6-4 mui6-2) (younger), 姊妹 (zi2 mui6) (sisters)
- Dungan: җеҗе (ži͡əži͡ə) (elder), мыймый (mɨymɨy) (younger)
- Hokkien: (elder) 大姊 (tōa-chí), (younger sister) 小妹 (zh-min-nan) (sió-mōe), (sisters) 姊妹 (zh-min-nan) (chí-mōe), 阿姊 (zh-min-nan) (a-chí) (elder)
- Mandarin: 姐姐 (zh) (jiějie) (elder), 妹妹 (zh) (mèimei) (younger), 姐妹 (zh) (jiěmèi) (female siblings), 嬃 / 媭 (zh) (xū) (elder, used in ancient Chu), 姊妹 (zh) (zǐmèi) (sisters)
- Teochew: 姊妹 (zê2 muê7)
- Wu: 姐姐 (5cia-cia5) (elder), 妹妹 (6me-me6) (younger), 阿妹 (7aq-me) (younger)
- Chinook Jargon: ats, kahpo
- Chukchi: чакыгэт (čakygėt)
- Chuvash: йӑмӑк (jămăk) (elder), аппа (appa) (younger)
- Comanche: patsi, nami
- Coptic: ⲥⲱⲛⲉ (sōne)
- Cornish: hwor f
- Crimean Tatar: apte, tata, abla
- Czech: sestra (cs) f
- Dalmatian: saur f, seraur f
- Danish: søster (da) c
- Dhivehi: ދައްތަ (datta), ކޮއްކޮ (kokko)
- Dutch: zus (nl) f, zuster (nl) f
- Egyptian: (snt f)
- Elfdalian: syster f
- Erzya: патя (paťa), сазор (sazor)
- Esperanto: fratino (eo)
- Estonian: õde (et), sõsar (et)
- Even: экэн (əkən), нө (nö)
- Evenki: экин (əkin)
- Ewe: nɔvinyɔnu, daa (elder), tsɛ (younger)
- Faroese: systir (fo) f
- Fijian: gane (of a male), tuaka (elder), taci (younger),
- Finnish: sisko (fi), sisar (fi)
- French: sœur (fr) f
- Friulian: sûr f
- Galician: irmá (gl) f
- Ge'ez: እኅት (ʾəḫt)
- Georgian: და (ka) (da)
- German: Schwester (de) f
- Alemannic German: Schwöschter f
- Gothic: 𐍃𐍅𐌹𐍃𐍄𐌰𐍂 f (swistar)
- Greek: αδελφή (el) f (adelfí), αδερφή (el) f (aderfí)
- Ancient: ἀδελφή f (adelphḗ), (Poetic) κάσις f (kásis)
- Greenlandic: nuka, angaju, aleqa, naja
- Guaraní: eindy (of a male); ykéra, yke (elder sister of a female); kypy'y (younger sister of a female)
- Gujarati: બેન (ben)
- Haitian Creole: sè
- Haryanvi: बेबे (bebe), भाण (bhāṇ), जीजी (jījī)
- Hausa: ya
- Hawaiian: kaikuaʻana (older sibling of same sex), kaikaina (younger sibling of same sex), kaikuahine (sister of a male)
- Hebrew: אָחוֹת (he) f (akhót)
- Hiligaynon: utod nga babaye
- Hindi: बहन (hi) f (bahan), बहिन (hi) f (bahin)
- Hungarian: nővér (hu) (elder), húg (hu) (younger)
- Icelandic: systir (is) m
- Ido: fratino (io)
- Ilocano: kabsat a babai, manang (elder sister), ading a babai (younger sister)
- Indonesian: saudari (id) f, kakak perempuan f (elder), adik perempuan f (younger)
- Ingrian: sisar
- Ingush: йиша (jiša)
- Interlingua: soror (ia)
- Inupiaq: aakauraġa
- Iranun: please add this translation if you can
- Irish: deirfiúr f
- Old Irish: siur f
- Italian: sorella (it) f
- Japanese: 姉妹 (ja) (しまい, shimai) (female siblings); 姉 (ja) (あね, ane), お姉さん (ja) (おねえさん, onēsan) (elder); 妹 (ja) (いもうと, imōto) (younger), シスター (ja) (shisutā) (colloquial, ironic or humorous)
- Javanese: mbak f (elder), nduk f (younger)
- Kabuverdianu: armun, irmon
- Kalmyk: эгч (egç)
- Kamkata-viri: sus
- Kannada: ಅಕ್ಕ (kn) (akka) (elder sister), ತಂಗಿ (kn) (taṅgi) (younger sister)
- Karachay-Balkar: эгеч (egeç)
- Karelian: sizär, čikko
- Kashmiri: بیٚنہِ (ks) (beni)
- Kashubian: sostra f
- Kazakh: (elder) апа (apa), әпеке (äpeke), (colloquial) әпке (äpke), (younger) сіңлі (sıñlı), қарындас (qaryndas)
- Khmer: (elder) បងស្រី (bɑɑng srəy), (younger) ប្អូនស្រី (pʼoun srəy), ភគិនី (km) (phĕəʼkinii)
- Kikai: しだ (shida) (older)
- Komi-Permyak: чой (ćoj)
- Korean: 자매(姊妹) (ko) (jamae), (elder, of a male) 누나 (ko) (nuna), (elder, of a female) 언니 (ko) (eonni), (younger) 여동생(女同生) (ko) (yeodongsaeng), (younger, North Korea) 녀동생(女同生) (ko) (nyeodongsaeng), (younger sibling, both genders) 동생(同生) (ko) (dongsaeng), 시스터 (siseuteo) (colloquial, ironic or humorous), 누이 (ko) (nu'i)
- Kumyk: къызкъардаш (qızqardaş), иза (iza) (dialectal)
- Kunigami: しじゃー (shijā) (elder)
- Kurdish:
- Central Kurdish: خوشک (ckb) (xuşk)
- Laki: خوە (ku) (xwe)
- Northern Kurdish: xuşk (ku) f, xwişk (ku) f, xweh (ku) f
- Southern Kurdish: خوەیشک (ku) (xweyişk)
- Kyrgyz: (elder) эже (ky) (eje), (younger) карындаш (ky) (karındaş), (younger) синди (sindi)
- Lao: (elder) ເອື້ອຍ (ʼư̄a nya), (younger) ນ້ອງສາວ (nǭng sāo)
- Latgalian: muosa
- Latin: soror (la) f, germana (la)
- Latvian: māsa (lv) f
- Laz: და (da)
- Lithuanian: sesuo (lt)
- Livonian: sõzār
- Lombard: sorella f
- Low German: Süster (nds) f, Swester (nds) f
- Luxembourgish: Schwëster (lb) f
- Macedonian: се́стра (mk) f (séstra)
- Maguindanao: please add this translation if you can
- Malagasy: anabavy (mg)
- Malay: (older) kakak (ms), (younger) adik perempuan
- Malayalam: സഹോദരി (ml) (sahōdari), (elder) ചേച്ചി (ml) (cēcci), ഇത്ത (ml) (itta)
- Maltese: oħt (mt) f
- Manchu: ᡝᠶᡠᠨ (eyun) (elder), ᠨᠣᠨ (non) (younger)
- Mansaka: manang
- Maore Comorian: mwananya class 1/2, mwananya mutru-mama class 1/2
- Maori: tuahine (of a male), tuakana (elder, of a female), teina (younger, of a female)
- Maranao: renang
- Marathi: बहीण (mr) f (bahīṇ) (any age)
- Mari:
- Eastern Mari: ака (aka), шӱжар (šüžar)
- Mauritian Creole: ser
- Megleno-Romanian: soră f
- Middle English: suster
- Minangkabau: (elder) uni (min), akak (min), kakak (min), (younger) adiak padusi
- Mingrelian: და (da)
- Mirandese: armana
- Miyako: (elder) すざ (suza)
- Mòcheno: schbester f
- Moksha: сазор (sazor), ака (aka)
- Mon: please add this translation if you can
- Mongolian:
- Cyrillic: (elder) эгч (mn) (egč), охин дүү (oxin düü) (younger)
- Mwali Comorian: mwananya class 1/2
- Nahuatl: cihuācnīuhtli, siuakniutli
- Nama: ǃgasas
- Nanai: эгэ (ege), нэку (neku)
- Navajo: adeezhí, hádí
- Neapolitan: sora f
- Nepali: दिदी (ne) f (didī), बहिनी (ne) f (bahinī)
- Ngazidja Comorian: mwananya class 1/2
- Nheengatu: endira (of a man), amú (of a woman)
- Nivkh: нанак (nanak), нанака (nanaka)
- Norman: soeu f
- North Frisian: (Mooring) söster f; (Föhr-Amrum) saster f
- Northern Amami Ōshima: せざ (seza) (elder)
- Northern Sami: oabbá
- Norwegian:
- Bokmål: søster (no) f, storesøster f (elder), lillesøster f (younger)
- Nynorsk: søster f, syster f
- Occitan: sòrre (oc) f
- Odia: ଭଉଣୀ (or) (bhauṇi)
- Ojibwe: nishiime (my younger sister), nimisenh (my older sister)
- Okinawan: しーじゃ (shīja) (elder), をぅない (wunai) (of a male)
- Okinoerabu: しだ (shida) (elder)
- Old Church Slavonic:
- Cyrillic: сестра f (sestra)
- Glagolitic: ⱄⰵⱄⱅⱃⰰ f (sestra)
- Old Czech: sestra f
- Old Danish: systær
- Old East Slavic: сестра f (sestra)
- Old English: sweoster f, sweostor f
- Old Frisian: swester f
- Old Prussian: swestro f
- Oromo: obboleettii (om)
- Ossetian:
- Digor: хуӕрӕ (xwæræ)
- Iron: хо (xo)
- Pali: bhaginī f
- Pannonian Rusyn: шестра f (šestra)
- Pashto: خور (ps) f (xor)
- Pennsylvania German: Schweschder f
- Persian:
- Dari: خوَاهَر (xāhar), خْوَاهَر (xwāhar), هَمْشِیرَه (hamšīra), اُخْت (uxt)
- Iranian Persian: خواهَر (xâhar), هَمْشیرِه (hamšire), اُخْت (oxt)
- Phoenician: 𐤀𐤇𐤕 (ʾḥt)
- Pijin: sista
- Plautdietsch: Sesta f
- Polabian: sestră f
- Polish: siostra (pl) f
- Portuguese: irmã (pt) f
- Prasuni: sūsu
- Proto-Norse: ᛊᚹᛖᛊᛏᚨᚱ f (swestar)
- Punjabi: ਭੈਣ (bhaiṇ)
- Quechua: ñaña, pani
- Rohingya: boin
- Romagnol: surëla f
- Romani: phen f
- Romanian: soră (ro) f, surori (ro) f pl
- Romansch: sora f, sour
- Russian: сестра́ (ru) f (sestrá), сестри́ца (ru) f (sestríca) (colloquial), сестри́чка (ru) f (sestríčka) (colloquial, little sis)
- Sanskrit: स्वसृ (sa) f (svásṛ), भगिनी (sa) f (bhaginī)
- Saraiki: بَھیْݨ (skr) f (bhaiṇ)
- Sardinian: sorre, sorri
- Scots: sister
- Scottish Gaelic: piuthar (gd) f
- Serbo-Croatian:
- Cyrillic: сѐстра f
- Roman: sèstra (sh) f
- Seychellois Creole: ser
- Sicilian: soru (scn) f
- Sikkimese: please add this translation if you can
- Silesian: šwestera f
- Sindhi: ڀيڻَ (sd) (bhēṇa), ديِديِ (dīdī)
- Sinhalese: (elder) අක්කා (akkā), (younger) නංගි (naṁgi)
- Slovak: sestra (sk) f
- Slovene: sestra (sl) f
- Somali: walaal, huunno
- Sorbian:
- Lower Sorbian: sotša f
- Upper Sorbian: sotra f
- Southern Altai: эје (eǰe), сыйын (sïyïn), кыс карындаш (kïs karïndaš)
- Southern Amami Ōshima: すぃだ (sïda) (elder)
- Spanish: hermana (es) f
- Sranan Tongo: sisa
- Sundanese: tétéh (elder), raka f (elder), rayi (younger), dédé f (younger)
- Svan: დაჩუ̂ირ (dačûir) (for a brother), უდილ (udil) (for a sister)
- Swahili: dada (sw), umbu class 5/6
- Swedish: syster (sv) c
- Tabasaran: чи (či)
- Tagalog: kapatid (tl) na (tl) babae (tl) (sister), ate (tl) (elder sister), nene (tl) (younger sister), ditse (second eldest sister), sanse (third eldest sister), sitse (fourth eldest sister)
- Tajik: хоҳар (tg) (xohar), ҳамшира (hamšira), ухт (uxt)
- Talysh: hovə
- Tamil: அக்கா (ta) (akkā) (elder), தங்கை (ta) (taṅkai) (younger), சகோதரி (ta) (cakōtari)
- Taos: pʼàyuʼúna (younger), tùtúna (elder)
- Tarifit: utšma f
- Tat: xuvar
- Tatar: (elder) апа (tt) (apa), (younger) сеңел (tt) (señel), кыз кардәш (qız qardäş)
- Tausug: kakah, manghūd babai
- Telugu: సోదరి (te) (sōdari), అక్క (te) (akka), అక్కయ్య (te) (akkayya) (elder), చెల్లి (te) (celli), చెల్లెలు (te) (cellelu) (younger)
- Tetum: feton
- Thai: (elder) พี่สาว (pîi-sǎao), (younger) น้องสาว (th) (nɔ́ɔng-sǎao)
- Tibetan: ཨ་ཅག (a cag), ནུ་མོ (nu mo)
- Tigrinya: ሓብቲ (ḥabti)
- Toba Batak: iboto
- Tocharian A: ṣar
- Tocharian B: ṣer
- Tokunoshima: すぃーだ (sï̄da) (elder)
- Tupinambá: endyra (of a male); ykera (older sister of a female); pyky'yra (younger sister of a female)
- Turkish: abla (tr) (elder), kız kardeş (tr), bacı (tr), aba (tr) (colloquial, or humorous), hemşire (tr) (archaic), simil
- Turkmen: uýa, ejeke
- Turoyo: ܚܳܬ̣ܳܐ (ḥoṭo)
- Tuvan: угба (ugba), дуңма (duñma)
- Udmurt: апа (apa), апай (apaj), сузэр (suzer)
- Ugaritic: 𐎀𐎃𐎚 (ảḫt)
- Ukrainian: сестра́ (uk) f (sestrá)
- Urdu: بَہَن f (bahan), بَہِن f (bahin), اُخْت f (uxt)
- Uyghur: (younger) سىڭىل (ug) (si'ngil), ئاچا (ug) (acha), ھەدە (hede)
- Uzbek: opa (uz) (elder), singil (uz) (younger)
- Venetan: soreła f, sorela
- Vietnamese: chị (vi) or chị gái (vi) (elder), em gái (vi) (younger), em (vi) (younger sibling - brother or sister)
- Vilamovian: syster
- Volapük: sör (vo), (♂♀) gem (vo), (♀) jigem (vo), jiblod
- Võro: sõssar'
- Votic: sõzar
- Waigali: sos
- Walloon: sour (wa) f
- Waray-Waray: bugto nga babaye
- Welsh: chwaer (cy) f, chwiorydd (cy) f pl
- West Frisian: sus (fy)
- White Hmong: muam
- Wolof: mag ju jigéen, rakk ju jigéen
- Xhosa: idade, usisi
- Yaeyama: しじゃ (shija) (elder)
- Yagara: dad jeen
- Yagnobi: хор (xor)
- Yakan: please add this translation if you can
- Yakut: аҕас (ağas), балыс (balıs)
- Yámana: way-kipa
- Yiddish: שוועסטער f (shvester)
- Yonaguni: すだ (suda) (elder)
- Yoron: しだび (shidabi) (elder)
- Yoruba: ẹ̀gbọ́n obìnrin, àbúrò obìnrin
- Záparo: kwiñatu
- Zazaki: way (diq), wayık
- Zhuang: beix, beixmbwk, beixsau (elder), nuengx, dahnuengx (younger)
- Zulu: udade (zu), usisi (zu)
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